Gray Area

Breaking the Mold with a 3,600-lb, 1,800-hp 4×4 Ram When it comes to drag racing, lightness is king. Diesel 4x4s, on the other hand, are […]

The Perfectionist: A Customized '75 F-350

The Rural King When you’re 14, everything in the world around you seems bigger. When you’re 14 and your dad owns a diesel truck repair […]

Homegrown Highboy: The 7.3L-Powered '73 F-250

Classic Blue Rig What do you get when you combine a ’73 F-250 with an early Super Duty? How about a one-of-a-kind Highboy with modern […]
DW  CST

CST Kit: Lifting a 2015 GMC

When Javier Gomez bought a loaded 2015 GMC Sierra Denali to use as a shop truck for his business—Gomez Custom Wheels & Tires in Fontana, […]
DW  AXLE LEAD

11.5 AAM Rear Axle: Best Aftermarket Products

Diesel trucks are built to handle a lot of abuse, but diesel enthusiasts like us tend to push way beyond the manufacturer’s intended performance levels. […]
DW  AXLE LEAD

Ultimate Axle Build: Building A Super-Strong 9.25 AAM Front Axle for Your GM or Dodge (Part 2)

The independent front suspension system and 9.25-inch AAM axle delivered in 2001-2010 GM trucks is great at providing a smooth ride on the road, but […]
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Ford 4R100 Transmission Installation

In our last issue, we had Remac Transmissions, in San Dimas, California, go through a Ford 4R100 auto trans to make it better than new. […]